Mean and Range Manipulation Quiz
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Questions and Answers

What value of x will result in the mean of data set B being less than the mean of data set A and the range of data set B being greater than the range of data set A?

  • 55 (correct)
  • 35
  • 75
  • 65
  • Which value of x will result in the mean of data set B being greater than the mean of data set A and the range of data set B being less than the range of data set A?

  • 60
  • 50
  • 55
  • 45 (correct)
  • Which value of x will result in the mean of data set B being equal to the mean of data set A and the range of data set B being equal to the range of data set A?

  • 55
  • 65
  • 60
  • 50 (correct)
  • If the equation of the parabola is written in the form $y = ax^2 + bx + c$, what is the sum of the constants a, b, and c?

    <p>-14</p> Signup and view all the answers

    What is the value of a in the equation of the parabola $y = ax^2 + bx + c$ if the parabola opens upward?

    <p>1</p> Signup and view all the answers

    If the parabola intersects the x-axis at two points, what can be said about the discriminant of the quadratic equation $ax^2 + bx + c = 0$?

    <p>It is greater than 0</p> Signup and view all the answers

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